方阵A(n,k)开始:
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, ...
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, ...
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, ...
0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, ...
0, 1, 3, 4, 4, 4, 4, 4, 4, 4, 4, ...
0, 1, 6, 8, 9, 9, 9, 9, 9, 9, 9, ...
0, 1, 11, 17, 19, 20, 20, 20, 20, 20, 20, ...
0, 1, 23, 39, 45, 47, 48, 48, 48, 48, 48, ...
0, 1, 46, 89, 106, 112, 114, 115, 115, 115, 115, ...
0, 1, 98, 211, 260, 277, 283, 285, 286, 286, 286, ...
0, 1, 207, 507, 643, 693, 710, 716, 718, 719, 719, ...